[src/trunk]: src/usr.sbin/btattach Set controller clock based on baud rate.

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9c6dc91076c4
branches:  trunk
changeset: 355780:9c6dc91076c4
user:      nat <nat%NetBSD.org@localhost>
date:      Mon Aug 14 05:28:23 2017 +0000

description:
Set controller clock based on baud rate.

diffstat:

 usr.sbin/btattach/init_bcm43xx.c |  20 +++++++++++++++++---
 1 files changed, 17 insertions(+), 3 deletions(-)

diffs (60 lines):

diff -r 0630718c2892 -r 9c6dc91076c4 usr.sbin/btattach/init_bcm43xx.c
--- a/usr.sbin/btattach/init_bcm43xx.c  Mon Aug 14 02:21:50 2017 +0000
+++ b/usr.sbin/btattach/init_bcm43xx.c  Mon Aug 14 05:28:23 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init_bcm43xx.c,v 1.3 2017/08/10 20:43:12 jmcneill Exp $        */
+/*     $NetBSD: init_bcm43xx.c,v 1.4 2017/08/14 05:28:23 nat Exp $     */
 
 /*-
  * Copyright (c) 2017 Iain Hibbert
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: init_bcm43xx.c,v 1.3 2017/08/10 20:43:12 jmcneill Exp $");
+__RCSID("$NetBSD: init_bcm43xx.c,v 1.4 2017/08/14 05:28:23 nat Exp $");
 
 #include <sys/param.h>
 
@@ -56,11 +56,17 @@
 #define HCI_CMD_BCM43XX_SET_BDADDR             \
        HCI_OPCODE(HCI_OGF_VENDOR, 0x006)
 
+#define HCI_CMD_BCM43XX_SET_CLOCK              \
+       HCI_OPCODE(HCI_OGF_VENDOR, 0x045)
+
 #define HCI_CMD_43XXFWDN                       \
        HCI_OPCODE(HCI_OGF_VENDOR, 0x02e)
 
 #define HCI_CMD_GET_LOCAL_NAME                 0x0c14
 
+#define BCM43XX_CLK_48 1
+#define BCM43XX_CLK_24 2
+
 static int
 bcm43xx_get_local_name(int fd, char *name, size_t namelen)
 {
@@ -85,7 +91,7 @@
 void
 init_bcm43xx(int fd, unsigned int speed)
 {
-       uint8_t rate[6];
+       uint8_t rate[6], clock;
        uint8_t fw_buf[1024];
        int fwfd, fw_len;
        uint8_t resp[7];
@@ -134,6 +140,14 @@
        uart_recv_cc(fd, HCI_CMD_RESET, &resp, sizeof(resp));
        /* assume it succeeded? */
 
+       if (speed >= 3000000) 
+               clock = BCM43XX_CLK_48;
+       else
+               clock = BCM43XX_CLK_24;
+
+       uart_send_cmd(fd, HCI_CMD_BCM43XX_SET_CLOCK, &clock, sizeof(clock));
+       uart_recv_cc(fd, HCI_CMD_BCM43XX_SET_CLOCK, &resp, sizeof(resp));
+
        rate[2] = speed;
        rate[3] = speed >> 8;
        rate[4] = speed >> 16;